Home / 210,900-454,056

Finding the Third Proportional to 210,900 and 454,056

Calculator

Solution

The third proportional to 210,900 and 454,056 is: 977,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,900 : 454,056 = 454,056 : x
  2. Step 2: Convert to fraction form
    210,900/454,056 = 454,056/x
  3. Step 3: Cross multiply
    210,900x = 454,056 × 454,056
  4. Step 4: Simplify right side
    210,900x = 206,166,851,136
  5. Step 5: Solve for x
    x = 206,166,851,136/210,900
  6. Step 6: Final answer
    x = 977,557.38

Related Problems

Find third proportional to 105,450 and 227,028
Half scale
Find third proportional to 421,800 and 908,112
Double scale
Find third proportional to 210,902 and 454,060
Similar ratio
Find third proportional to 316,350 and 681,084
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.